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-rw-r--r--talermerchantdemos/survey/__init__.py3
-rw-r--r--talermerchantdemos/survey/static/demo.css69
-rw-r--r--talermerchantdemos/survey/static/favicon.ico1
-rw-r--r--talermerchantdemos/survey/static/pure.css1508
-rw-r--r--talermerchantdemos/survey/static/taler-fallback.css15
-rw-r--r--talermerchantdemos/survey/survey.py254
-rw-r--r--talermerchantdemos/survey/templates/.base.html.swpbin0 -> 12288 bytes
-rw-r--r--talermerchantdemos/survey/templates/base.html59
-rw-r--r--talermerchantdemos/survey/templates/error.html22
-rw-r--r--talermerchantdemos/survey/templates/index.html26
-rw-r--r--talermerchantdemos/survey/templates/show_tip.html35
-rw-r--r--talermerchantdemos/survey/templates/survey_stats.html15
12 files changed, 2007 insertions, 0 deletions
diff --git a/talermerchantdemos/survey/__init__.py b/talermerchantdemos/survey/__init__.py
new file mode 100644
index 0000000..2b22f3a
--- /dev/null
+++ b/talermerchantdemos/survey/__init__.py
@@ -0,0 +1,3 @@
+from talermerchantdemos.survey.survey import app
+
+__all__ = ["app"]
diff --git a/talermerchantdemos/survey/static/demo.css b/talermerchantdemos/survey/static/demo.css
new file mode 100644
index 0000000..b2688ad
--- /dev/null
+++ b/talermerchantdemos/survey/static/demo.css
@@ -0,0 +1,69 @@
+/* style common to all demo pages */
+
+.demobar h1 {
+ text-align: center;
+}
+.demobar > p {
+ padding: 0.5em;
+}
+.demobar a,
+.demobar a:visited {
+ color: inherit;
+}
+.adorn-brackets::before {
+ content: "❬";
+ color: #aa3939;
+}
+.adorn-brackets::after {
+ content: "❭";
+ color: #aa3939;
+}
+.tt {
+ font-family: 'Lucida Console', Monaco, monospace;
+}
+
+.informational-ok {
+ background: lightgreen;
+ border-radius: 1em;
+ padding: 0.5em;
+}
+
+.informational-fail {
+ background: lightpink;
+ border-radius: 1em;
+ padding: 0.5em;
+}
+
+.content {
+ overflow-x: auto;
+}
+.demobar {
+ overflow-x: auto;
+ background-color: #033;
+ color: white;
+}
+
+body {
+ overflow-y: scroll;
+}
+
+@media (min-width: 500px) {
+ .content {
+ margin-left: 25%;
+ padding-left: 2em;
+ margin-right: 1em;
+ overflow-x: auto;
+ }
+ .demobar {
+ height: 100%;
+ margin: 0;
+ top: 0;
+ left: 0;
+ background-color: #033;
+ color: white;
+ position: fixed;
+ width: 25%;
+ padding-right: 1em;
+ overflow: auto;
+ }
+}
diff --git a/talermerchantdemos/survey/static/favicon.ico b/talermerchantdemos/survey/static/favicon.ico
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/talermerchantdemos/survey/static/favicon.ico
@@ -0,0 +1 @@
+
diff --git a/talermerchantdemos/survey/static/pure.css b/talermerchantdemos/survey/static/pure.css
new file mode 100644
index 0000000..7391139
--- /dev/null
+++ b/talermerchantdemos/survey/static/pure.css
@@ -0,0 +1,1508 @@
+/*!
+Pure v0.6.2
+Copyright 2013 Yahoo!
+Licensed under the BSD License.
+https://github.com/yahoo/pure/blob/master/LICENSE.md
+*/
+/*!
+normalize.css v^3.0 | MIT License | git.io/normalize
+Copyright (c) Nicolas Gallagher and Jonathan Neal
+*/
+/*! normalize.css v3.0.3 | MIT License | github.com/necolas/normalize.css */
+
+/**
+ * 1. Set default font family to sans-serif.
+ * 2. Prevent iOS and IE text size adjust after device orientation change,
+ * without disabling user zoom.
+ */
+
+html {
+ font-family: sans-serif; /* 1 */
+ -ms-text-size-adjust: 100%; /* 2 */
+ -webkit-text-size-adjust: 100%; /* 2 */
+}
+
+/**
+ * Remove default margin.
+ */
+
+body {
+ margin: 0;
+}
+
+/* HTML5 display definitions
+ ========================================================================== */
+
+/**
+ * Correct `block` display not defined for any HTML5 element in IE 8/9.
+ * Correct `block` display not defined for `details` or `summary` in IE 10/11
+ * and Firefox.
+ * Correct `block` display not defined for `main` in IE 11.
+ */
+
+article,
+aside,
+details,
+figcaption,
+figure,
+footer,
+header,
+hgroup,
+main,
+menu,
+nav,
+section,
+summary {
+ display: block;
+}
+
+/**
+ * 1. Correct `inline-block` display not defined in IE 8/9.
+ * 2. Normalize vertical alignment of `progress` in Chrome, Firefox, and Opera.
+ */
+
+audio,
+canvas,
+progress,
+video {
+ display: inline-block; /* 1 */
+ vertical-align: baseline; /* 2 */
+}
+
+/**
+ * Prevent modern browsers from displaying `audio` without controls.
+ * Remove excess height in iOS 5 devices.
+ */
+
+audio:not([controls]) {
+ display: none;
+ height: 0;
+}
+
+/**
+ * Address `[hidden]` styling not present in IE 8/9/10.
+ * Hide the `template` element in IE 8/9/10/11, Safari, and Firefox < 22.
+ */
+
+[hidden],
+template {
+ display: none;
+}
+
+/* Links
+ ========================================================================== */
+
+/**
+ * Remove the gray background color from active links in IE 10.
+ */
+
+a {
+ background-color: transparent;
+}
+
+/**
+ * Improve readability of focused elements when they are also in an
+ * active/hover state.
+ */
+
+a:active,
+a:hover {
+ outline: 0;
+}
+
+/* Text-level semantics
+ ========================================================================== */
+
+/**
+ * Address styling not present in IE 8/9/10/11, Safari, and Chrome.
+ */
+
+abbr[title] {
+ border-bottom: 1px dotted;
+}
+
+/**
+ * Address style set to `bolder` in Firefox 4+, Safari, and Chrome.
+ */
+
+b,
+strong {
+ font-weight: bold;
+}
+
+/**
+ * Address styling not present in Safari and Chrome.
+ */
+
+dfn {
+ font-style: italic;
+}
+
+/**
+ * Address variable `h1` font-size and margin within `section` and `article`
+ * contexts in Firefox 4+, Safari, and Chrome.
+ */
+
+h1 {
+ font-size: 2em;
+ margin: 0.67em 0;
+}
+
+/**
+ * Address styling not present in IE 8/9.
+ */
+
+mark {
+ background: #ff0;
+ color: #000;
+}
+
+/**
+ * Address inconsistent and variable font size in all browsers.
+ */
+
+small {
+ font-size: 80%;
+}
+
+/**
+ * Prevent `sub` and `sup` affecting `line-height` in all browsers.
+ */
+
+sub,
+sup {
+ font-size: 75%;
+ line-height: 0;
+ position: relative;
+ vertical-align: baseline;
+}
+
+sup {
+ top: -0.5em;
+}
+
+sub {
+ bottom: -0.25em;
+}
+
+/* Embedded content
+ ========================================================================== */
+
+/**
+ * Remove border when inside `a` element in IE 8/9/10.
+ */
+
+img {
+ border: 0;
+}
+
+/**
+ * Correct overflow not hidden in IE 9/10/11.
+ */
+
+svg:not(:root) {
+ overflow: hidden;
+}
+
+/* Grouping content
+ ========================================================================== */
+
+/**
+ * Address margin not present in IE 8/9 and Safari.
+ */
+
+figure {
+ margin: 1em 40px;
+}
+
+/**
+ * Address differences between Firefox and other browsers.
+ */
+
+hr {
+ box-sizing: content-box;
+ height: 0;
+}
+
+/**
+ * Contain overflow in all browsers.
+ */
+
+pre {
+ overflow: auto;
+}
+
+/**
+ * Address odd `em`-unit font size rendering in all browsers.
+ */
+
+code,
+kbd,
+pre,
+samp {
+ font-family: monospace, monospace;
+ font-size: 1em;
+}
+
+/* Forms
+ ========================================================================== */
+
+/**
+ * Known limitation: by default, Chrome and Safari on OS X allow very limited
+ * styling of `select`, unless a `border` property is set.
+ */
+
+/**
+ * 1. Correct color not being inherited.
+ * Known issue: affects color of disabled elements.
+ * 2. Correct font properties not being inherited.
+ * 3. Address margins set differently in Firefox 4+, Safari, and Chrome.
+ */
+
+button,
+input,
+optgroup,
+select,
+textarea {
+ color: inherit; /* 1 */
+ font: inherit; /* 2 */
+ margin: 0; /* 3 */
+}
+
+/**
+ * Address `overflow` set to `hidden` in IE 8/9/10/11.
+ */
+
+button {
+ overflow: visible;
+}
+
+/**
+ * Address inconsistent `text-transform` inheritance for `button` and `select`.
+ * All other form control elements do not inherit `text-transform` values.
+ * Correct `button` style inheritance in Firefox, IE 8/9/10/11, and Opera.
+ * Correct `select` style inheritance in Firefox.
+ */
+
+button,
+select {
+ text-transform: none;
+}
+
+/**
+ * 1. Avoid the WebKit bug in Android 4.0.* where (2) destroys native `audio`
+ * and `video` controls.
+ * 2. Correct inability to style clickable `input` types in iOS.
+ * 3. Improve usability and consistency of cursor style between image-type
+ * `input` and others.
+ */
+
+button,
+html input[type="button"], /* 1 */
+input[type="reset"],
+input[type="submit"] {
+ -webkit-appearance: button; /* 2 */
+ cursor: pointer; /* 3 */
+}
+
+/**
+ * Re-set default cursor for disabled elements.
+ */
+
+button[disabled],
+html input[disabled] {
+ cursor: default;
+}
+
+/**
+ * Remove inner padding and border in Firefox 4+.
+ */
+
+button::-moz-focus-inner,
+input::-moz-focus-inner {
+ border: 0;
+ padding: 0;
+}
+
+/**
+ * Address Firefox 4+ setting `line-height` on `input` using `!important` in
+ * the UA stylesheet.
+ */
+
+input {
+ line-height: normal;
+}
+
+/**
+ * It's recommended that you don't attempt to style these elements.
+ * Firefox's implementation doesn't respect box-sizing, padding, or width.
+ *
+ * 1. Address box sizing set to `content-box` in IE 8/9/10.
+ * 2. Remove excess padding in IE 8/9/10.
+ */
+
+input[type="checkbox"],
+input[type="radio"] {
+ box-sizing: border-box; /* 1 */
+ padding: 0; /* 2 */
+}
+
+/**
+ * Fix the cursor style for Chrome's increment/decrement buttons. For certain
+ * `font-size` values of the `input`, it causes the cursor style of the
+ * decrement button to change from `default` to `text`.
+ */
+
+input[type="number"]::-webkit-inner-spin-button,
+input[type="number"]::-webkit-outer-spin-button {
+ height: auto;
+}
+
+/**
+ * 1. Address `appearance` set to `searchfield` in Safari and Chrome.
+ * 2. Address `box-sizing` set to `border-box` in Safari and Chrome.
+ */
+
+input[type="search"] {
+ -webkit-appearance: textfield; /* 1 */
+ box-sizing: content-box; /* 2 */
+}
+
+/**
+ * Remove inner padding and search cancel button in Safari and Chrome on OS X.
+ * Safari (but not Chrome) clips the cancel button when the search input has
+ * padding (and `textfield` appearance).
+ */
+
+input[type="search"]::-webkit-search-cancel-button,
+input[type="search"]::-webkit-search-decoration {
+ -webkit-appearance: none;
+}
+
+/**
+ * Define consistent border, margin, and padding.
+ */
+
+fieldset {
+ border: 1px solid #c0c0c0;
+ margin: 0 2px;
+ padding: 0.35em 0.625em 0.75em;
+}
+
+/**
+ * 1. Correct `color` not being inherited in IE 8/9/10/11.
+ * 2. Remove padding so people aren't caught out if they zero out fieldsets.
+ */
+
+legend {
+ border: 0; /* 1 */
+ padding: 0; /* 2 */
+}
+
+/**
+ * Remove default vertical scrollbar in IE 8/9/10/11.
+ */
+
+textarea {
+ overflow: auto;
+}
+
+/**
+ * Don't inherit the `font-weight` (applied by a rule above).
+ * NOTE: the default cannot safely be changed in Chrome and Safari on OS X.
+ */
+
+optgroup {
+ font-weight: bold;
+}
+
+/* Tables
+ ========================================================================== */
+
+/**
+ * Remove most spacing between table cells.
+ */
+
+table {
+ border-collapse: collapse;
+ border-spacing: 0;
+}
+
+td,
+th {
+ padding: 0;
+}
+
+/*csslint important:false*/
+
+/* ==========================================================================
+ Pure Base Extras
+ ========================================================================== */
+
+/**
+ * Extra rules that Pure adds on top of Normalize.css
+ */
+
+/**
+ * Always hide an element when it has the `hidden` HTML attribute.
+ */
+
+.hidden,
+[hidden] {
+ display: none !important;
+}
+
+/**
+ * Add this class to an image to make it fit within it's fluid parent wrapper while maintaining
+ * aspect ratio.
+ */
+.pure-img {
+ max-width: 100%;
+ height: auto;
+ display: block;
+}
+
+/*csslint regex-selectors:false, known-properties:false, duplicate-properties:false*/
+
+.pure-g {
+ letter-spacing: -0.31em; /* Webkit: collapse white-space between units */
+ *letter-spacing: normal; /* reset IE < 8 */
+ *word-spacing: -0.43em; /* IE < 8: collapse white-space between units */
+ text-rendering: optimizespeed; /* Webkit: fixes text-rendering: optimizeLegibility */
+
+ /*
+ Sets the font stack to fonts known to work properly with the above letter
+ and word spacings. See: https://github.com/yahoo/pure/issues/41/
+
+ The following font stack makes Pure Grids work on all known environments.
+
+ * FreeSans: Ships with many Linux distros, including Ubuntu
+
+ * Arimo: Ships with Chrome OS. Arimo has to be defined before Helvetica and
+ Arial to get picked up by the browser, even though neither is available
+ in Chrome OS.
+
+ * Droid Sans: Ships with all versions of Android.
+
+ * Helvetica, Arial, sans-serif: Common font stack on OS X and Windows.
+ */
+ font-family: FreeSans, Arimo, "Droid Sans", Helvetica, Arial, sans-serif;
+
+ /* Use flexbox when possible to avoid `letter-spacing` side-effects. */
+ display: -webkit-box;
+ display: -webkit-flex;
+ display: -ms-flexbox;
+ display: flex;
+ -webkit-flex-flow: row wrap;
+ -ms-flex-flow: row wrap;
+ flex-flow: row wrap;
+
+ /* Prevents distributing space between rows */
+ -webkit-align-content: flex-start;
+ -ms-flex-line-pack: start;
+ align-content: flex-start;
+}
+
+/* IE10 display: -ms-flexbox (and display: flex in IE 11) does not work inside a table; fall back to block and rely on font hack */
+@media all and (-ms-high-contrast: none), (-ms-high-contrast: active) {
+ table .pure-g {
+ display: block;
+ }
+}
+
+/* Opera as of 12 on Windows needs word-spacing.
+ The ".opera-only" selector is used to prevent actual prefocus styling
+ and is not required in markup.
+*/
+.opera-only :-o-prefocus,
+.pure-g {
+ word-spacing: -0.43em;
+}
+
+.pure-u {
+ display: inline-block;
+ *display: inline; /* IE < 8: fake inline-block */
+ zoom: 1;
+ letter-spacing: normal;
+ word-spacing: normal;
+ vertical-align: top;
+ text-rendering: auto;
+}
+
+/*
+Resets the font family back to the OS/browser's default sans-serif font,
+this the same font stack that Normalize.css sets for the `body`.
+*/
+.pure-g [class *= "pure-u"] {
+ font-family: sans-serif;
+}
+
+.pure-u-1,
+.pure-u-1-1,
+.pure-u-1-2,
+.pure-u-1-3,
+.pure-u-2-3,
+.pure-u-1-4,
+.pure-u-3-4,
+.pure-u-1-5,
+.pure-u-2-5,
+.pure-u-3-5,
+.pure-u-4-5,
+.pure-u-5-5,
+.pure-u-1-6,
+.pure-u-5-6,
+.pure-u-1-8,
+.pure-u-3-8,
+.pure-u-5-8,
+.pure-u-7-8,
+.pure-u-1-12,
+.pure-u-5-12,
+.pure-u-7-12,
+.pure-u-11-12,
+.pure-u-1-24,
+.pure-u-2-24,
+.pure-u-3-24,
+.pure-u-4-24,
+.pure-u-5-24,
+.pure-u-6-24,
+.pure-u-7-24,
+.pure-u-8-24,
+.pure-u-9-24,
+.pure-u-10-24,
+.pure-u-11-24,
+.pure-u-12-24,
+.pure-u-13-24,
+.pure-u-14-24,
+.pure-u-15-24,
+.pure-u-16-24,
+.pure-u-17-24,
+.pure-u-18-24,
+.pure-u-19-24,
+.pure-u-20-24,
+.pure-u-21-24,
+.pure-u-22-24,
+.pure-u-23-24,
+.pure-u-24-24 {
+ display: inline-block;
+ *display: inline;
+ zoom: 1;
+ letter-spacing: normal;
+ word-spacing: normal;
+ vertical-align: top;
+ text-rendering: auto;
+}
+
+.pure-u-1-24 {
+ width: 4.1667%;
+ *width: 4.1357%;
+}
+
+.pure-u-1-12,
+.pure-u-2-24 {
+ width: 8.3333%;
+ *width: 8.3023%;
+}
+
+.pure-u-1-8,
+.pure-u-3-24 {
+ width: 12.5000%;
+ *width: 12.4690%;
+}
+
+.pure-u-1-6,
+.pure-u-4-24 {
+ width: 16.6667%;
+ *width: 16.6357%;
+}
+
+.pure-u-1-5 {
+ width: 20%;
+ *width: 19.9690%;
+}
+
+.pure-u-5-24 {
+ width: 20.8333%;
+ *width: 20.8023%;
+}
+
+.pure-u-1-4,
+.pure-u-6-24 {
+ width: 25%;
+ *width: 24.9690%;
+}
+
+.pure-u-7-24 {
+ width: 29.1667%;
+ *width: 29.1357%;
+}
+
+.pure-u-1-3,
+.pure-u-8-24 {
+ width: 33.3333%;
+ *width: 33.3023%;
+}
+
+.pure-u-3-8,
+.pure-u-9-24 {
+ width: 37.5000%;
+ *width: 37.4690%;
+}
+
+.pure-u-2-5 {
+ width: 40%;
+ *width: 39.9690%;
+}
+
+.pure-u-5-12,
+.pure-u-10-24 {
+ width: 41.6667%;
+ *width: 41.6357%;
+}
+
+.pure-u-11-24 {
+ width: 45.8333%;
+ *width: 45.8023%;
+}
+
+.pure-u-1-2,
+.pure-u-12-24 {
+ width: 50%;
+ *width: 49.9690%;
+}
+
+.pure-u-13-24 {
+ width: 54.1667%;
+ *width: 54.1357%;
+}
+
+.pure-u-7-12,
+.pure-u-14-24 {
+ width: 58.3333%;
+ *width: 58.3023%;
+}
+
+.pure-u-3-5 {
+ width: 60%;
+ *width: 59.9690%;
+}
+
+.pure-u-5-8,
+.pure-u-15-24 {
+ width: 62.5000%;
+ *width: 62.4690%;
+}
+
+.pure-u-2-3,
+.pure-u-16-24 {
+ width: 66.6667%;
+ *width: 66.6357%;
+}
+
+.pure-u-17-24 {
+ width: 70.8333%;
+ *width: 70.8023%;
+}
+
+.pure-u-3-4,
+.pure-u-18-24 {
+ width: 75%;
+ *width: 74.9690%;
+}
+
+.pure-u-19-24 {
+ width: 79.1667%;
+ *width: 79.1357%;
+}
+
+.pure-u-4-5 {
+ width: 80%;
+ *width: 79.9690%;
+}
+
+.pure-u-5-6,
+.pure-u-20-24 {
+ width: 83.3333%;
+ *width: 83.3023%;
+}
+
+.pure-u-7-8,
+.pure-u-21-24 {
+ width: 87.5000%;
+ *width: 87.4690%;
+}
+
+.pure-u-11-12,
+.pure-u-22-24 {
+ width: 91.6667%;
+ *width: 91.6357%;
+}
+
+.pure-u-23-24 {
+ width: 95.8333%;
+ *width: 95.8023%;
+}
+
+.pure-u-1,
+.pure-u-1-1,
+.pure-u-5-5,
+.pure-u-24-24 {
+ width: 100%;
+}
+.pure-button {
+ /* Structure */
+ display: inline-block;
+ zoom: 1;
+ line-height: normal;
+ white-space: nowrap;
+ vertical-align: middle;
+ text-align: center;
+ cursor: pointer;
+ -webkit-user-drag: none;
+ -webkit-user-select: none;
+ -moz-user-select: none;
+ -ms-user-select: none;
+ user-select: none;
+ box-sizing: border-box;
+}
+
+/* Firefox: Get rid of the inner focus border */
+.pure-button::-moz-focus-inner {
+ padding: 0;
+ border: 0;
+}
+
+/* Inherit .pure-g styles */
+.pure-button-group {
+ letter-spacing: -0.31em; /* Webkit: collapse white-space between units */
+ *letter-spacing: normal; /* reset IE < 8 */
+ *word-spacing: -0.43em; /* IE < 8: collapse white-space between units */
+ text-rendering: optimizespeed; /* Webkit: fixes text-rendering: optimizeLegibility */
+}
+
+.opera-only :-o-prefocus,
+.pure-button-group {
+ word-spacing: -0.43em;
+}
+
+.pure-button-group .pure-button {
+ letter-spacing: normal;
+ word-spacing: normal;
+ vertical-align: top;
+ text-rendering: auto;
+}
+
+/*csslint outline-none:false*/
+
+.pure-button {
+ font-family: inherit;
+ font-size: 100%;
+ padding: 0.5em 1em;
+ color: #444; /* rgba not supported (IE 8) */
+ color: rgba(0, 0, 0, 0.80); /* rgba supported */
+ border: 1px solid #999; /*IE 6/7/8*/
+ border: none rgba(0, 0, 0, 0); /*IE9 + everything else*/
+ background-color: #E6E6E6;
+ text-decoration: none;
+ border-radius: 2px;
+}
+
+.pure-button-hover,
+.pure-button:hover,
+.pure-button:focus {
+ /* csslint ignore:start */
+ filter: alpha(opacity=90);
+ /* csslint ignore:end */
+ background-image: -webkit-linear-gradient(transparent, rgba(0,0,0, 0.05) 40%, rgba(0,0,0, 0.10));
+ background-image: linear-gradient(transparent, rgba(0,0,0, 0.05) 40%, rgba(0,0,0, 0.10));
+}
+.pure-button:focus {
+ outline: 0;
+}
+.pure-button-active,
+.pure-button:active {
+ box-shadow: 0 0 0 1px rgba(0,0,0, 0.15) inset, 0 0 6px rgba(0,0,0, 0.20) inset;
+ border-color: #000\9;
+}
+
+.pure-button[disabled],
+.pure-button-disabled,
+.pure-button-disabled:hover,
+.pure-button-disabled:focus,
+.pure-button-disabled:active {
+ border: none;
+ background-image: none;
+ /* csslint ignore:start */
+ filter: alpha(opacity=40);
+ /* csslint ignore:end */
+ opacity: 0.40;
+ cursor: not-allowed;
+ box-shadow: none;
+ pointer-events: none;
+}
+
+.pure-button-hidden {
+ display: none;
+}
+
+.pure-button-primary,
+.pure-button-selected,
+a.pure-button-primary,
+a.pure-button-selected {
+ background-color: rgb(0, 120, 231);
+ color: #fff;
+}
+
+/* Button Groups */
+.pure-button-group .pure-button {
+ margin: 0;
+ border-radius: 0;
+ border-right: 1px solid #111; /* fallback color for rgba() for IE7/8 */
+ border-right: 1px solid rgba(0, 0, 0, 0.2);
+
+}
+
+.pure-button-group .pure-button:first-child {
+ border-top-left-radius: 2px;
+ border-bottom-left-radius: 2px;
+}
+.pure-button-group .pure-button:last-child {
+ border-top-right-radius: 2px;
+ border-bottom-right-radius: 2px;
+ border-right: none;
+}
+
+/*csslint box-model:false*/
+/*
+Box-model set to false because we're setting a height on select elements, which
+also have border and padding. This is done because some browsers don't render
+the padding. We explicitly set the box-model for select elements to border-box,
+so we can ignore the csslint warning.
+*/
+
+.pure-form input[type="text"],
+.pure-form input[type="password"],
+.pure-form input[type="email"],
+.pure-form input[type="url"],
+.pure-form input[type="date"],
+.pure-form input[type="month"],
+.pure-form input[type="time"],
+.pure-form input[type="datetime"],
+.pure-form input[type="datetime-local"],
+.pure-form input[type="week"],
+.pure-form input[type="number"],
+.pure-form input[type="search"],
+.pure-form input[type="tel"],
+.pure-form input[type="color"],
+.pure-form select,
+.pure-form textarea {
+ padding: 0.5em 0.6em;
+ display: inline-block;
+ border: 1px solid #ccc;
+ box-shadow: inset 0 1px 3px #ddd;
+ border-radius: 4px;
+ vertical-align: middle;
+ box-sizing: border-box;
+}
+
+/*
+Need to separate out the :not() selector from the rest of the CSS 2.1 selectors
+since IE8 won't execute CSS that contains a CSS3 selector.
+*/
+.pure-form input:not([type]) {
+ padding: 0.5em 0.6em;
+ display: inline-block;
+ border: 1px solid #ccc;
+ box-shadow: inset 0 1px 3px #ddd;
+ border-radius: 4px;
+ box-sizing: border-box;
+}
+
+
+/* Chrome (as of v.32/34 on OS X) needs additional room for color to display. */
+/* May be able to remove this tweak as color inputs become more standardized across browsers. */
+.pure-form input[type="color"] {
+ padding: 0.2em 0.5em;
+}
+
+
+.pure-form input[type="text"]:focus,
+.pure-form input[type="password"]:focus,
+.pure-form input[type="email"]:focus,
+.pure-form input[type="url"]:focus,
+.pure-form input[type="date"]:focus,
+.pure-form input[type="month"]:focus,
+.pure-form input[type="time"]:focus,
+.pure-form input[type="datetime"]:focus,
+.pure-form input[type="datetime-local"]:focus,
+.pure-form input[type="week"]:focus,
+.pure-form input[type="number"]:focus,
+.pure-form input[type="search"]:focus,
+.pure-form input[type="tel"]:focus,
+.pure-form input[type="color"]:focus,
+.pure-form select:focus,
+.pure-form textarea:focus {
+ outline: 0;
+ border-color: #129FEA;
+}
+
+/*
+Need to separate out the :not() selector from the rest of the CSS 2.1 selectors
+since IE8 won't execute CSS that contains a CSS3 selector.
+*/
+.pure-form input:not([type]):focus {
+ outline: 0;
+ border-color: #129FEA;
+}
+
+.pure-form input[type="file"]:focus,
+.pure-form input[type="radio"]:focus,
+.pure-form input[type="checkbox"]:focus {
+ outline: thin solid #129FEA;
+ outline: 1px auto #129FEA;
+}
+.pure-form .pure-checkbox,
+.pure-form .pure-radio {
+ margin: 0.5em 0;
+ display: block;
+}
+
+.pure-form input[type="text"][disabled],
+.pure-form input[type="password"][disabled],
+.pure-form input[type="email"][disabled],
+.pure-form input[type="url"][disabled],
+.pure-form input[type="date"][disabled],
+.pure-form input[type="month"][disabled],
+.pure-form input[type="time"][disabled],
+.pure-form input[type="datetime"][disabled],
+.pure-form input[type="datetime-local"][disabled],
+.pure-form input[type="week"][disabled],
+.pure-form input[type="number"][disabled],
+.pure-form input[type="search"][disabled],
+.pure-form input[type="tel"][disabled],
+.pure-form input[type="color"][disabled],
+.pure-form select[disabled],
+.pure-form textarea[disabled] {
+ cursor: not-allowed;
+ background-color: #eaeded;
+ color: #cad2d3;
+}
+
+/*
+Need to separate out the :not() selector from the rest of the CSS 2.1 selectors
+since IE8 won't execute CSS that contains a CSS3 selector.
+*/
+.pure-form input:not([type])[disabled] {
+ cursor: not-allowed;
+ background-color: #eaeded;
+ color: #cad2d3;
+}
+.pure-form input[readonly],
+.pure-form select[readonly],
+.pure-form textarea[readonly] {
+ background-color: #eee; /* menu hover bg color */
+ color: #777; /* menu text color */
+ border-color: #ccc;
+}
+
+.pure-form input:focus:invalid,
+.pure-form textarea:focus:invalid,
+.pure-form select:focus:invalid {
+ color: #b94a48;
+ border-color: #e9322d;
+}
+.pure-form input[type="file"]:focus:invalid:focus,
+.pure-form input[type="radio"]:focus:invalid:focus,
+.pure-form input[type="checkbox"]:focus:invalid:focus {
+ outline-color: #e9322d;
+}
+.pure-form select {
+ /* Normalizes the height; padding is not sufficient. */
+ height: 2.25em;
+ border: 1px solid #ccc;
+ background-color: white;
+}
+.pure-form select[multiple] {
+ height: auto;
+}
+.pure-form label {
+ margin: 0.5em 0 0.2em;
+}
+.pure-form fieldset {
+ margin: 0;
+ padding: 0.35em 0 0.75em;
+ border: 0;
+}
+.pure-form legend {
+ display: block;
+ width: 100%;
+ padding: 0.3em 0;
+ margin-bottom: 0.3em;
+ color: #333;
+ border-bottom: 1px solid #e5e5e5;
+}
+
+.pure-form-stacked input[type="text"],
+.pure-form-stacked input[type="password"],
+.pure-form-stacked input[type="email"],
+.pure-form-stacked input[type="url"],
+.pure-form-stacked input[type="date"],
+.pure-form-stacked input[type="month"],
+.pure-form-stacked input[type="time"],
+.pure-form-stacked input[type="datetime"],
+.pure-form-stacked input[type="datetime-local"],
+.pure-form-stacked input[type="week"],
+.pure-form-stacked input[type="number"],
+.pure-form-stacked input[type="search"],
+.pure-form-stacked input[type="tel"],
+.pure-form-stacked input[type="color"],
+.pure-form-stacked input[type="file"],
+.pure-form-stacked select,
+.pure-form-stacked label,
+.pure-form-stacked textarea {
+ display: block;
+ margin: 0.25em 0;
+}
+
+/*
+Need to separate out the :not() selector from the rest of the CSS 2.1 selectors
+since IE8 won't execute CSS that contains a CSS3 selector.
+*/
+.pure-form-stacked input:not([type]) {
+ display: block;
+ margin: 0.25em 0;
+}
+.pure-form-aligned input,
+.pure-form-aligned textarea,
+.pure-form-aligned select,
+/* NOTE: pure-help-inline is deprecated. Use .pure-form-message-inline instead. */
+.pure-form-aligned .pure-help-inline,
+.pure-form-message-inline {
+ display: inline-block;
+ *display: inline;
+ *zoom: 1;
+ vertical-align: middle;
+}
+.pure-form-aligned textarea {
+ vertical-align: top;
+}
+
+/* Aligned Forms */
+.pure-form-aligned .pure-control-group {
+ margin-bottom: 0.5em;
+}
+.pure-form-aligned .pure-control-group label {
+ text-align: right;
+ display: inline-block;
+ vertical-align: middle;
+ width: 10em;
+ margin: 0 1em 0 0;
+}
+.pure-form-aligned .pure-controls {
+ margin: 1.5em 0 0 11em;
+}
+
+/* Rounded Inputs */
+.pure-form input.pure-input-rounded,
+.pure-form .pure-input-rounded {
+ border-radius: 2em;
+ padding: 0.5em 1em;
+}
+
+/* Grouped Inputs */
+.pure-form .pure-group fieldset {
+ margin-bottom: 10px;
+}
+.pure-form .pure-group input,
+.pure-form .pure-group textarea {
+ display: block;
+ padding: 10px;
+ margin: 0 0 -1px;
+ border-radius: 0;
+ position: relative;
+ top: -1px;
+}
+.pure-form .pure-group input:focus,
+.pure-form .pure-group textarea:focus {
+ z-index: 3;
+}
+.pure-form .pure-group input:first-child,
+.pure-form .pure-group textarea:first-child {
+ top: 1px;
+ border-radius: 4px 4px 0 0;
+ margin: 0;
+}
+.pure-form .pure-group input:first-child:last-child,
+.pure-form .pure-group textarea:first-child:last-child {
+ top: 1px;
+ border-radius: 4px;
+ margin: 0;
+}
+.pure-form .pure-group input:last-child,
+.pure-form .pure-group textarea:last-child {
+ top: -2px;
+ border-radius: 0 0 4px 4px;
+ margin: 0;
+}
+.pure-form .pure-group button {
+ margin: 0.35em 0;
+}
+
+.pure-form .pure-input-1 {
+ width: 100%;
+}
+.pure-form .pure-input-3-4 {
+ width: 75%;
+}
+.pure-form .pure-input-2-3 {
+ width: 66%;
+}
+.pure-form .pure-input-1-2 {
+ width: 50%;
+}
+.pure-form .pure-input-1-3 {
+ width: 33%;
+}
+.pure-form .pure-input-1-4 {
+ width: 25%;
+}
+
+/* Inline help for forms */
+/* NOTE: pure-help-inline is deprecated. Use .pure-form-message-inline instead. */
+.pure-form .pure-help-inline,
+.pure-form-message-inline {
+ display: inline-block;
+ padding-left: 0.3em;
+ color: #666;
+ vertical-align: middle;
+ font-size: 0.875em;
+}
+
+/* Block help for forms */
+.pure-form-message {
+ display: block;
+ color: #666;
+ font-size: 0.875em;
+}
+
+@media only screen and (max-width : 480px) {
+ .pure-form button[type="submit"] {
+ margin: 0.7em 0 0;
+ }
+
+ .pure-form input:not([type]),
+ .pure-form input[type="text"],
+ .pure-form input[type="password"],
+ .pure-form input[type="email"],
+ .pure-form input[type="url"],
+ .pure-form input[type="date"],
+ .pure-form input[type="month"],
+ .pure-form input[type="time"],
+ .pure-form input[type="datetime"],
+ .pure-form input[type="datetime-local"],
+ .pure-form input[type="week"],
+ .pure-form input[type="number"],
+ .pure-form input[type="search"],
+ .pure-form input[type="tel"],
+ .pure-form input[type="color"],
+ .pure-form label {
+ margin-bottom: 0.3em;
+ display: block;
+ }
+
+ .pure-group input:not([type]),
+ .pure-group input[type="text"],
+ .pure-group input[type="password"],
+ .pure-group input[type="email"],
+ .pure-group input[type="url"],
+ .pure-group input[type="date"],
+ .pure-group input[type="month"],
+ .pure-group input[type="time"],
+ .pure-group input[type="datetime"],
+ .pure-group input[type="datetime-local"],
+ .pure-group input[type="week"],
+ .pure-group input[type="number"],
+ .pure-group input[type="search"],
+ .pure-group input[type="tel"],
+ .pure-group input[type="color"] {
+ margin-bottom: 0;
+ }
+
+ .pure-form-aligned .pure-control-group label {
+ margin-bottom: 0.3em;
+ text-align: left;
+ display: block;
+ width: 100%;
+ }
+
+ .pure-form-aligned .pure-controls {
+ margin: 1.5em 0 0 0;
+ }
+
+ /* NOTE: pure-help-inline is deprecated. Use .pure-form-message-inline instead. */
+ .pure-form .pure-help-inline,
+ .pure-form-message-inline,
+ .pure-form-message {
+ display: block;
+ font-size: 0.75em;
+ /* Increased bottom padding to make it group with its related input element. */
+ padding: 0.2em 0 0.8em;
+ }
+}
+
+/*csslint adjoining-classes: false, box-model:false*/
+.pure-menu {
+ box-sizing: border-box;
+}
+
+.pure-menu-fixed {
+ position: fixed;
+ left: 0;
+ top: 0;
+ z-index: 3;
+}
+
+.pure-menu-list,
+.pure-menu-item {
+ position: relative;
+}
+
+.pure-menu-list {
+ list-style: none;
+ margin: 0;
+ padding: 0;
+}
+
+.pure-menu-item {
+ padding: 0;
+ margin: 0;
+ height: 100%;
+}
+
+.pure-menu-link,
+.pure-menu-heading {
+ display: block;
+ text-decoration: none;
+ white-space: nowrap;
+}
+
+/* HORIZONTAL MENU */
+.pure-menu-horizontal {
+ width: 100%;
+ white-space: nowrap;
+}
+
+.pure-menu-horizontal .pure-menu-list {
+ display: inline-block;
+}
+
+/* Initial menus should be inline-block so that they are horizontal */
+.pure-menu-horizontal .pure-menu-item,
+.pure-menu-horizontal .pure-menu-heading,
+.pure-menu-horizontal .pure-menu-separator {
+ display: inline-block;
+ *display: inline;
+ zoom: 1;
+ vertical-align: middle;
+}
+
+/* Submenus should still be display: block; */
+.pure-menu-item .pure-menu-item {
+ display: block;
+}
+
+.pure-menu-children {
+ display: none;
+ position: absolute;
+ left: 100%;
+ top: 0;
+ margin: 0;
+ padding: 0;
+ z-index: 3;
+}
+
+.pure-menu-horizontal .pure-menu-children {
+ left: 0;
+ top: auto;
+ width: inherit;
+}
+
+.pure-menu-allow-hover:hover > .pure-menu-children,
+.pure-menu-active > .pure-menu-children {
+ display: block;
+ position: absolute;
+}
+
+/* Vertical Menus - show the dropdown arrow */
+.pure-menu-has-children > .pure-menu-link:after {
+ padding-left: 0.5em;
+ content: "\25B8";
+ font-size: small;
+}
+
+/* Horizontal Menus - show the dropdown arrow */
+.pure-menu-horizontal .pure-menu-has-children > .pure-menu-link:after {
+ content: "\25BE";
+}
+
+/* scrollable menus */
+.pure-menu-scrollable {
+ overflow-y: scroll;
+ overflow-x: hidden;
+}
+
+.pure-menu-scrollable .pure-menu-list {
+ display: block;
+}
+
+.pure-menu-horizontal.pure-menu-scrollable .pure-menu-list {
+ display: inline-block;
+}
+
+.pure-menu-horizontal.pure-menu-scrollable {
+ white-space: nowrap;
+ overflow-y: hidden;
+ overflow-x: auto;
+ -ms-overflow-style: none;
+ -webkit-overflow-scrolling: touch;
+ /* a little extra padding for this style to allow for scrollbars */
+ padding: .5em 0;
+}
+
+.pure-menu-horizontal.pure-menu-scrollable::-webkit-scrollbar {
+ display: none;
+}
+
+/* misc default styling */
+
+.pure-menu-separator,
+.pure-menu-horizontal .pure-menu-children .pure-menu-separator {
+ background-color: #ccc;
+ height: 1px;
+ margin: .3em 0;
+}
+
+.pure-menu-horizontal .pure-menu-separator {
+ width: 1px;
+ height: 1.3em;
+ margin: 0 .3em ;
+}
+
+/* Need to reset the separator since submenu is vertical */
+.pure-menu-horizontal .pure-menu-children .pure-menu-separator {
+ display: block;
+ width: auto;
+}
+
+.pure-menu-heading {
+ text-transform: uppercase;
+ color: #565d64;
+}
+
+.pure-menu-link {
+ color: #777;
+}
+
+.pure-menu-children {
+ background-color: #fff;
+}
+
+.pure-menu-link,
+.pure-menu-disabled,
+.pure-menu-heading {
+ padding: .5em 1em;
+}
+
+.pure-menu-disabled {
+ opacity: .5;
+}
+
+.pure-menu-disabled .pure-menu-link:hover {
+ background-color: transparent;
+}
+
+.pure-menu-active > .pure-menu-link,
+.pure-menu-link:hover,
+.pure-menu-link:focus {
+ background-color: #eee;
+}
+
+.pure-menu-selected .pure-menu-link,
+.pure-menu-selected .pure-menu-link:visited {
+ color: #000;
+}
+
+.pure-table {
+ /* Remove spacing between table cells (from Normalize.css) */
+ border-collapse: collapse;
+ border-spacing: 0;
+ empty-cells: show;
+ border: 1px solid #cbcbcb;
+}
+
+.pure-table caption {
+ color: #000;
+ font: italic 85%/1 arial, sans-serif;
+ padding: 1em 0;
+ text-align: center;
+}
+
+.pure-table td,
+.pure-table th {
+ border-left: 1px solid #cbcbcb;/* inner column border */
+ border-width: 0 0 0 1px;
+ font-size: inherit;
+ margin: 0;
+ overflow: visible; /*to make ths where the title is really long work*/
+ padding: 0.5em 1em; /* cell padding */
+}
+
+/* Consider removing this next declaration block, as it causes problems when
+there's a rowspan on the first cell. Case added to the tests. issue#432 */
+.pure-table td:first-child,
+.pure-table th:first-child {
+ border-left-width: 0;
+}
+
+.pure-table thead {
+ background-color: #e0e0e0;
+ color: #000;
+ text-align: left;
+ vertical-align: bottom;
+}
+
+/*
+striping:
+ even - #fff (white)
+ odd - #f2f2f2 (light gray)
+*/
+.pure-table td {
+ background-color: transparent;
+}
+.pure-table-odd td {
+ background-color: #f2f2f2;
+}
+
+/* nth-child selector for modern browsers */
+.pure-table-striped tr:nth-child(2n-1) td {
+ background-color: #f2f2f2;
+}
+
+/* BORDERED TABLES */
+.pure-table-bordered td {
+ border-bottom: 1px solid #cbcbcb;
+}
+.pure-table-bordered tbody > tr:last-child > td {
+ border-bottom-width: 0;
+}
+
+
+/* HORIZONTAL BORDERED TABLES */
+
+.pure-table-horizontal td,
+.pure-table-horizontal th {
+ border-width: 0 0 1px 0;
+ border-bottom: 1px solid #cbcbcb;
+}
+.pure-table-horizontal tbody > tr:last-child > td {
+ border-bottom-width: 0;
+}
diff --git a/talermerchantdemos/survey/static/taler-fallback.css b/talermerchantdemos/survey/static/taler-fallback.css
new file mode 100644
index 0000000..e403d71
--- /dev/null
+++ b/talermerchantdemos/survey/static/taler-fallback.css
@@ -0,0 +1,15 @@
+/* Fallback stylesheet. Should be included in the document as follows:
+ *
+ * <link rel="stylesheet"
+ * href="taler-fallback.css"
+ * id="taler-presence-stylesheet />
+ *
+ * When either the taler-wallet-lib is included or the wallet is presence,
+ * it will take over this stylesheet for presence detection.
+ *
+ * This fallback stylesheet makes sure that classes for presence detection
+ * are displayed correctly, even if JavaScript is disabled and the wallet
+ * is not present.
+ */
+
+.taler-installed-show { display: none; }
diff --git a/talermerchantdemos/survey/survey.py b/talermerchantdemos/survey/survey.py
new file mode 100644
index 0000000..7a71ded
--- /dev/null
+++ b/talermerchantdemos/survey/survey.py
@@ -0,0 +1,254 @@
+##
+# This file is part of GNU TALER.
+# Copyright (C) 2017 Taler Systems SA
+#
+# TALER is free software; you can redistribute it and/or modify it under the
+# terms of the GNU Lesser General Public License as published by the Free Software
+# Foundation; either version 2.1, or (at your option) any later version.
+#
+# TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+# A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License along with
+# GNU TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
+#
+# @author Marcello Stanisci
+# @brief Minimal Website to tip users who fill the survey.
+
+import os
+import re
+import datetime
+import base64
+import logging
+import json
+from urllib.parse import urljoin
+import flask
+import requests
+import traceback
+import qrcode
+import qrcode.image.svg
+import lxml.etree
+from taler.util.talerconfig import TalerConfig
+
+BASE_DIR = os.path.dirname(os.path.abspath(__file__))
+app = flask.Flask(__name__, template_folder=BASE_DIR)
+app.debug = True
+app.secret_key = base64.b64encode(os.urandom(64)).decode('utf-8')
+TC = TalerConfig.from_env()
+BACKEND_URL = TC["frontends"]["backend"].value_string(required=True)
+CURRENCY = TC["taler"]["currency"].value_string(required=True)
+APIKEY = TC["frontends"]["backend_apikey"].value_string(required=True)
+app.config.from_object(__name__)
+LOGGER = logging.getLogger(__name__)
+
+
+##
+# Helper function that returns a HTTP response with
+# a prettified version of a backend error response.
+#
+# @param requests_response the error response coming from
+# the merchant backend.
+# @return a flask-native response object.
+def backend_error(requests_response):
+ LOGGER.error(
+ "Backend error: status code: " + str(requests_response.status_code)
+ )
+ try:
+ return flask.jsonify(
+ requests_response.json()
+ ), requests_response.status_code
+ except json.decoder.JSONDecodeError:
+ LOGGER.error(
+ "Backend error (NO JSON returned): status code: " +
+ str(requests_response.status_code)
+ )
+ return flask.jsonify(
+ dict(error="Backend died, no JSON got from it")
+ ), 502
+
+
+##
+# Make the environment available into templates.
+#
+# @return the environment-reading function.
+@app.context_processor
+def utility_processor():
+ def env(name, default=None):
+ return os.environ.get(name, default)
+
+ def prettydate(talerdate):
+ parsed_time = re.search(r"/Date\(([0-9]+)\)/", talerdate)
+ if not parsed_time:
+ return "malformed date given"
+ parsed_time = int(parsed_time.group(1))
+ timestamp = datetime.datetime.fromtimestamp(parsed_time)
+ # returns the YYYY-MM-DD date format.
+ return timestamp.strftime("%Y-%b-%d")
+
+ return dict(env=env, prettydate=prettydate)
+
+
+##
+# Return a error response to the client.
+#
+# @param abort_status_code status code to return along the response.
+# @param params _kw_ arguments to passed verbatim to the templating engine.
+def err_abort(abort_status_code, **params):
+ t = flask.render_template("templates/error.html", **params)
+ flask.abort(flask.make_response(t, abort_status_code))
+
+
+##
+# POST a request to the backend, and return a error
+# response if any error occurs.
+#
+# @param endpoint the backend endpoint where to POST
+# this request.
+# @param json the POST's body.
+# @return the backend response (JSON format).
+def backend_post(endpoint, json):
+ headers = {"Authorization": "ApiKey " + APIKEY}
+ try:
+ resp = requests.post(
+ urljoin(BACKEND_URL, endpoint), json=json, headers=headers
+ )
+ except requests.ConnectionError:
+ err_abort(500, message="Could not establish connection to backend")
+ try:
+ response_json = resp.json()
+ except ValueError:
+ err_abort(
+ 500,
+ message="Could not parse response from backend",
+ status_code=resp.status_code
+ )
+ if resp.status_code != 200:
+ err_abort(
+ 500,
+ message="Backend returned error status",
+ json=response_json,
+ status_code=resp.status_code
+ )
+ return response_json
+
+
+##
+# Issue a GET request to the backend.
+#
+# @param endpoint the backend endpoint where to issue the request.
+# @param params (dict type of) URL parameters to append to the request.
+# @return the JSON response from the backend, or a error response
+# if something unexpected happens.
+def backend_get(endpoint, params=None):
+ headers = {"Authorization": "ApiKey " + APIKEY}
+ if params is None:
+ params = dict()
+ try:
+ resp = requests.get(
+ urljoin(BACKEND_URL, endpoint), params=params, headers=headers
+ )
+ except requests.ConnectionError:
+ err_abort(500, message="Could not establish connection to backend")
+ try:
+ response_json = resp.json()
+ except ValueError:
+ err_abort(500, message="Could not parse response from backend")
+ if resp.status_code != 200:
+ err_abort(
+ 500,
+ message="Backend returned error status",
+ json=response_json,
+ status_code=resp.status_code
+ )
+ return response_json
+
+
+##
+# Exception handler to capture all the unmanaged errors.
+#
+# @param e the Exception object, currently unused.
+# @return flask-native response object carrying the error message
+# (and execution stack!).
+@app.errorhandler(Exception)
+def internal_error(e):
+ return flask.render_template(
+ "templates/error.html",
+ message="Internal error",
+ stack=traceback.format_exc()
+ )
+
+
+##
+# Serve the /favicon.ico requests.
+#
+# @return the favicon.ico file.
+@app.route("/favicon.ico")
+def favicon():
+ print("will look into: " + os.path.join(app.root_path, 'static'))
+ return flask.send_from_directory(
+ os.path.join(app.root_path, 'static'),
+ "favicon.ico",
+ mimetype="image/vnd.microsoft.ico"
+ )
+
+
+##
+# Give information about the tip reserve status.
+#
+# @return the backend response to a /tip-query request,
+# in a prettified format.
+@app.route("/survey-stats", methods=["GET"])
+def survey_stats():
+ stats = backend_get("tip-query")
+ return flask.render_template("templates/survey_stats.html", stats=stats)
+
+
+def get_qrcode_svg(data):
+ factory = qrcode.image.svg.SvgImage
+ img = qrcode.make(data, image_factory=factory)
+ return lxml.etree.tostring(img.get_image()).decode("utf-8")
+
+
+##
+# Tell the backend to 'authorize' a tip; this means that
+# the backend will allocate a certain amount to be later
+# picked up by the wallet.
+#
+# @return the URL where to redirect the browser, in order
+# for the wallet to pick the tip up, or a error page
+# otherwise.
+@app.route("/submit-survey", methods=["POST"])
+def submit_survey():
+ tip_spec = dict(
+ amount=CURRENCY + ":1.0",
+ next_url=os.environ.get("TALER_ENV_URL_INTRO", "https://taler.net/"),
+ justification="Payment methods survey"
+ )
+ backend_resp = backend_post("tip-authorize", tip_spec)
+
+ taler_tip_uri = backend_resp.get("taler_tip_uri")
+ if taler_tip_uri:
+ qrcode_svg = get_qrcode_svg(taler_tip_uri)
+ content = flask.render_template(
+ "templates/show_tip.html",
+ qrcode_svg=qrcode_svg,
+ taler_tip_uri=taler_tip_uri,
+ )
+ headers = {"Taler": taler_tip_uri}
+ return flask.Response(content, status=402, headers=headers)
+
+ err_abort(
+ 500, message="Tipping failed, unexpected backend response", json=resp
+ )
+
+
+##
+# Serve the main index page.
+#
+# @return response object of the index page.
+@app.route("/", methods=["GET"])
+def index():
+ return flask.render_template(
+ "templates/index.html", merchant_currency=CURRENCY
+ )
diff --git a/talermerchantdemos/survey/templates/.base.html.swp b/talermerchantdemos/survey/templates/.base.html.swp
new file mode 100644
index 0000000..e599ce1
--- /dev/null
+++ b/talermerchantdemos/survey/templates/.base.html.swp
Binary files differ
diff --git a/talermerchantdemos/survey/templates/base.html b/talermerchantdemos/survey/templates/base.html
new file mode 100644
index 0000000..2eeace1
--- /dev/null
+++ b/talermerchantdemos/survey/templates/base.html
@@ -0,0 +1,59 @@
+<!DOCTYPE html>
+<!--
+ This file is part of GNU TALER.
+ Copyright (C) 2014, 2015, 2016 INRIA
+
+ TALER is free software; you can redistribute it and/or modify it under the
+ terms of the GNU Lesser General Public License as published by the Free Software
+ Foundation; either version 2.1, or (at your option) any later version.
+
+ TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License along with
+ TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
+-->
+
+<html data-taler-nojs="true">
+<head>
+ <title>Taler Survey Demo</title>
+ <link rel="stylesheet" type="text/css" href="{{ url_for('static', filename='pure.css') }}" />
+ <link rel="stylesheet" type="text/css" href="{{ url_for('static', filename='demo.css') }}" />
+ <link rel="stylesheet"
+ type="text/css"
+ href="{{ url_for('static', filename='web-common/taler-fallback.css') }}"
+ id="taler-presence-stylesheet"/>
+ {% block styles %}{% endblock %}
+ {% block scripts %}{% endblock %}
+</head>
+
+<body>
+ <div class="demobar">
+ <h1><span class="tt adorn-brackets">Taler Demo</span></h1>
+ <h1><span class="it"><a href="{{ env('TALER_ENV_URL_MERCHANT_SURVEY') }}">Survey</a></span></h1>
+ <p>This is the survey page, which demonatrates how merchants can reward their users by paying directly into their wallet.</p>
+ <ul>
+ <li><a href="{{ env('TALER_ENV_URL_INTRO', '#') }}">Introduction</a></li>
+ <li><a href="{{ env('TALER_ENV_URL_BANK', '#') }}">Bank</a></li>
+ <li><a href="{{ env('TALER_ENV_URL_MERCHANT_BLOG', '#') }}">Essay Shop</a></li>
+ <li><a href="{{ env('TALER_ENV_URL_MERCHANT_DONATIONS', '#') }}">Donations</a></li>
+ <li><a href="{{ env('TALER_ENV_URL_MERCHANT_SURVEY', '#') }}">Survey</a></li>
+ <li><a href="{{ env('TALER_ENV_URL_BACKOFFICE', '#') }}">Back-office</a></li>
+ </ul>
+ <p>You can learn more about Taler on our main <a href="https://taler.net">website</a>.</p>
+ </div>
+
+ <section id="main" class="content">
+ <h1>Taler Survey Demo</h1>
+ {% block main %}
+ This is the main content of the page.
+ {% endblock %}
+ <hr />
+ <div class="copyright">
+ <p>Copyright &copy; 2014&mdash;2017 INRIA</p>
+ <a href="/javascript" data-jslicense="1" class="jslicenseinfo">JavaScript license information</a>
+ </div>
+ </section>
+</body>
+</html>
diff --git a/talermerchantdemos/survey/templates/error.html b/talermerchantdemos/survey/templates/error.html
new file mode 100644
index 0000000..0d4bd02
--- /dev/null
+++ b/talermerchantdemos/survey/templates/error.html
@@ -0,0 +1,22 @@
+{% extends "templates/base.html" %}
+{% block main %}
+ <h1>An Error Occurred</h1>
+
+ <p>{{ message }}</p>
+
+ {% if status_code %}
+ <p>The backend returned status code {{ status_code }}.</p>
+ {% endif %}
+
+ {% if json %}
+ <p>Backend Response:</p>
+ <pre>{{ json }}</pre>
+ {% endif %}
+
+ {% if stack %}
+ <p>Stack trace:</p>
+ <pre>
+ {{ stack }}
+ </pre>
+ {% endif %}
+{% endblock main %}
diff --git a/talermerchantdemos/survey/templates/index.html b/talermerchantdemos/survey/templates/index.html
new file mode 100644
index 0000000..e58e669
--- /dev/null
+++ b/talermerchantdemos/survey/templates/index.html
@@ -0,0 +1,26 @@
+{% extends "templates/base.html" %}
+
+{% block main %}
+ <div>
+ <p>
+ In this page, you can participate in our survey about payment systems
+ and get a nice tip - via your Taler wallet - from this shop! <a href={{ url_for('survey_stats') }}>(survey stats)</a>
+ </p>
+ </div>
+ <div>
+ <form action="{{ url_for('submit_survey') }}" method="post" class="pure-form pure-form-stacked">
+ <legend>What do you prefer?</legend>
+ <fieldset>
+ <label for="option-taler">
+ <input id="option-taler" type="radio" name="paypref" value="taler" checked="checked" />
+ Taler
+ </label>
+ <label for="option-visa">
+ <input id="option-visa" type="radio" name="paypref" value="visa" />
+ Visa
+ </label>
+ </fieldset>
+ <input type="submit" value="Submit Survey" class="pure-button pure-button-primary" />
+ </form>
+ </div>
+{% endblock %}
diff --git a/talermerchantdemos/survey/templates/show_tip.html b/talermerchantdemos/survey/templates/show_tip.html
new file mode 100644
index 0000000..1c6317a
--- /dev/null
+++ b/talermerchantdemos/survey/templates/show_tip.html
@@ -0,0 +1,35 @@
+{% extends "templates/base.html" %}
+
+
+{% block meta %}
+<noscript>
+ <meta http-equiv="refresh" content="1">
+</noscript>
+{% endblock meta %}
+
+{% block main %}
+
+<h1>Tip Offered</h1>
+
+<div class="taler-installed-hide">
+ <p>
+ Looks like your browser doesn't support GNU Taler payments. You can try
+ installing a <a href="https://taler.net/en/wallet.html">wallet browser extension</a>.
+ </p>
+</div>
+
+<div>
+
+ <p>
+ You can use this QR code to receive a tip with your mobile wallet:
+ </p>
+
+ {{ qrcode_svg | safe }}
+
+ <p>
+ Click <a href="{{ taler_tip_uri }}">this link</a> to open your system's Taler wallet if it exists.
+ </p>
+
+</div>
+
+{% endblock main %}
diff --git a/talermerchantdemos/survey/templates/survey_stats.html b/talermerchantdemos/survey/templates/survey_stats.html
new file mode 100644
index 0000000..41cb437
--- /dev/null
+++ b/talermerchantdemos/survey/templates/survey_stats.html
@@ -0,0 +1,15 @@
+{% extends "templates/base.html" %}
+
+{% block main %}
+ <div>
+ <p>This page shows information about the tipping configuration of the
+ merchant. Usually this should not be visible to users.</p>
+ <ul>
+ <li>Reserve pub: {{ stats['reserve_pub'] }}</li>
+ <li>Reserve expiration: {{ prettydate(stats['reserve_expiration']) }}</li>
+ <li>Amount available {{ stats['amount_available'] }}</li>
+ <li>Amount picked up {{ stats['amount_picked_up'] }}</li>
+ <li>Amount authorized {{ stats['amount_authorized'] }}</li>
+ <ul>
+ </div>
+{% endblock %}